/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/Nodes/MovieGraphSubgraphNode.h
virtual [TArray](API\Runtime\Core\Containers\TArray)< [FMovieGraphPinProperties](API\Plugins\MovieRenderPipelineCore\Graph\FMovieGraphPinProperties) > GetInputPinProperties() const